Twist drill bit HSCo DIN 338 Type RN MFD VARIO
Twist drill bit HSCo DIN 338 type RN MFD VARIO
DRL-TWST-MET-DIN338-HSCO-MFDV-D3,1
ZEBRA
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Low friction and fast chip removal
Exclusive Vario helix
Optimal centring properties and maximum speed
Special design with four cutting edges with optimised point thinning
Optimal guiding properties and precision (extremely high torsional rigidity)
Combination of double drill heel with a single drill heel
Up to 9x longer service life compared to uncoated drill bits and up to 2x longer service life compared to conventional coatings (heat-resistant up to 800 °C)
Special magma multi-layer coating
Product packaging made of 100 % PCR (recycled plastic from household waste), 100 % recyclable and Cradle to Cradle Certified® Bronze
Available exclusively from Würth
See overview tables for drill bit/material assignments
Datasheets(X)
Suitable for machine type | Milling/drill center |
Material to be processed | Steel |
Quality | ZEBRA-Premium |
Standard / drilling depth | DIN 338 / 5xD |
Diameter (Ø) | 3.1 mm |
Length (l1) | 65 mm |
Chip flute length (l2) | 36 mm |
Shank diameter | 3.1 mm |
Shank style | Cylindrical |
Surface | Magma multilayer coating |
Cutting material | HSCo |
Type | RN |
Angle of the tip | 118 Degree |
Service life (points system) | 4 of 4 points |
Drilling speed (point system) | 4 of 4 points |
Bore hole quality (point system) ( ) | 4 of 4 points |
Versatility (points system) | 4 of 4 points |
Drilling behaviour (point system) | 4 of 4 points |
Suitable for drill (points system) | 2 of 4 points |
Suitable for cordless drills (points system) | 2 of 4 points |
Suitable for upright drilling machine (points system) | 4 of 4 points |
Suitable for milling-drilling centre (points system) | 4 of 4 points |
Self-centring | Yes |
Suitable for tensile strength up to | 1400 N/mm² |
Material of sub-group | General structural steels |
Cutting values | ||||||||||||
For dia. 1.0–2.5 | ||||||||||||
Material designation | Tensile strength | from dia. 1.0 | from dia. 2.0 | from dia. 2.5 | ||||||||
vc | n | f | n | f | n | f | ||||||
From | To | From | To | From | To | From | To | |||||
Steels | ||||||||||||
General structural steels | ≤ 850 N/mm² | 36 | 48 | 11459 | 15279 | 0,018 | 5730 | 7639 | 0,063 | 4584 | 6112 | 0,080 |
Unalloyed heat-treated steels | ≤ 850 N/mm² | 36 | 48 | 11459 | 15279 | 0,018 | 5730 | 7639 | 0,063 | 4584 | 6112 | 0,080 |
Low-alloy heat-treated steels | ≤ 850 N/mm² | 36 | 48 | 11459 | 15279 | 0,018 | 5730 | 7639 | 0,063 | 4584 | 6112 | 0,080 |
Unalloyed heat-treated steels | ≤ 1000 N/mm² | 34 | 42 | 10823 | 13369 | 0,016 | 5411 | 6685 | 0,050 | 4329 | 5348 | 0,063 |
Low-alloy heat-treated steels | ≤ 1000 N/mm² | 34 | 42 | 10823 | 13369 | 0,016 | 5411 | 6685 | 0,050 | 4329 | 5348 | 0,063 |
Alloyed heat-treated steels | ≤ 1200 N/mm² | 16 | 28 | 5093 | 8913 | 0,012 | 2546 | 4456 | 0,032 | 2037 | 3565 | 0,040 |
Nitriding steels | ≤ 1200 N/mm² | 16 | 28 | 5093 | 8913 | 0,012 | 2546 | 4456 | 0,032 | 2037 | 3565 | 0,040 |
Tool steels | ≤ 1200 N/mm² | 16 | 28 | 5093 | 8913 | 0,012 | 2546 | 4456 | 0,032 | 2037 | 3565 | 0,040 |
High-speed steels | ≤ 1200 N/mm² | 16 | 28 | 5093 | 8913 | 0,012 | 2546 | 4456 | 0,032 | 2037 | 3565 | 0,040 |
Stainless steels | ||||||||||||
Stainless steels | ≤ 1,200 | 12 | 18 | 3820 | 5730 | 0,014 | 1910 | 2865 | 0,040 | 1528 | 2292 | 0,050 |
Titanium and titanium alloys | ≤ 850 N/mm² | 8 | 12 | 2546 | 3820 | 0,008 | 1273 | 1910 | 0,025 | 1019 | 1528 | 0,032 |
Special alloys | ≤ 1,200 | 5 | 7 | 1592 | 2228 | 0,006 | 796 | 1114 | 0,020 | 637 | 891 | 0,025 |
Hard materials | ||||||||||||
Spring steels | ≤ 330 HB | 16 | 28 | 5093 | 8913 | 0,012 | 2546 | 4456 | 0,032 | 2037 | 3565 | 0,040 |
Cast metals | ||||||||||||
Cast iron | ≤ 350 HB | 40 | 45 | 12732 | 14324 | 0,018 | 6366 | 7162 | 0,063 | 5093 | 5730 | 0,080 |
Spheroidal graphite and malleable iron | ≤ 350 HB | 27 | 34 | 8594 | 10823 | 0,018 | 4297 | 5411 | 0,063 | 3438 | 4329 | 0,080 |
Plastics | ||||||||||||
Plastics | ≤ 200 N/mm² | 20 | 40 | 6366 | 12732 | 0,016 | 3183 | 6366 | 0,050 | 2546 | 5093 | 0,063 |
For dia. 3.15–5.0 | ||||||||||||
Material designation | Tensile strength | from dia. 3.15 | from dia. 4.0 | from dia. 5.0 | ||||||||
vc | n | f | n | f | n | f | ||||||
From | To | From | To | From | To | From | To | |||||
Steels | ||||||||||||
General structural steels | ≤ 850 N/mm² | 36 | 48 | 3638 | 4850 | 0,100 | 2865 | 3820 | 0,125 | 2292 | 3056 | 0,125 |
Unalloyed heat-treated steels | ≤ 850 N/mm² | 36 | 48 | 3638 | 4850 | 0,100 | 2865 | 3820 | 0,125 | 2292 | 3056 | 0,125 |
Low-alloy heat-treated steels | ≤ 850 N/mm² | 36 | 48 | 3638 | 4850 | 0,100 | 2865 | 3820 | 0,125 | 2292 | 3056 | 0,125 |
Unalloyed heat-treated steels | ≤ 1000 N/mm² | 34 | 42 | 3436 | 4244 | 0,080 | 2706 | 3342 | 0,100 | 2165 | 2674 | 0,100 |
Low-alloy heat-treated steels | ≤ 1000 N/mm² | 34 | 42 | 3436 | 4244 | 0,080 | 2706 | 3342 | 0,100 | 2165 | 2674 | 0,100 |
Alloyed heat-treated steels | ≤ 1200 N/mm² | 16 | 28 | 1617 | 2829 | 0,050 | 1273 | 2228 | 0,063 | 1019 | 1783 | 0,063 |
Nitriding steels | ≤ 1200 N/mm² | 16 | 28 | 1617 | 2829 | 0,050 | 1273 | 2228 | 0,063 | 1019 | 1783 | 0,063 |
Tool steels | ≤ 1200 N/mm² | 16 | 28 | 1617 | 2829 | 0,050 | 1273 | 2228 | 0,063 | 1019 | 1783 | 0,063 |
High-speed steels | ≤ 1200 N/mm² | 16 | 28 | 1617 | 2829 | 0,050 | 1273 | 2228 | 0,063 | 1019 | 1783 | 0,063 |
Stainless steels | ||||||||||||
Stainless steels | ≤ 1,200 | 12 | 18 | 1213 | 1819 | 0,063 | 955 | 1432 | 0,080 | 764 | 1146 | 0,080 |
Titanium and titanium alloys | ≤ 850 N/mm² | 8 | 12 | 808 | 1213 | 0,040 | 637 | 955 | 0,050 | 509 | 764 | 0,050 |
Special alloys | ≤ 1,200 | 5 | 7 | 505 | 707 | 0,032 | 398 | 557 | 0,040 | 318 | 446 | 0,040 |
Hard materials | ||||||||||||
Spring steels | ≤ 330 HB | 16 | 28 | 1617 | 2829 | 0,050 | 1273 | 2228 | 0,063 | 1019 | 1783 | 0,063 |
Cast metals | ||||||||||||
Cast iron | ≤ 350 HB | 40 | 45 | 4042 | 4547 | 0,100 | 3183 | 3581 | 0,125 | 2546 | 2865 | 0,125 |
Spheroidal graphite and malleable iron | ≤ 350 HB | 27 | 34 | 2728 | 3436 | 0,100 | 2149 | 2706 | 0,125 | 1719 | 2165 | 0,125 |
Plastics | ||||||||||||
Plastics | ≤ 200 N/mm² | 20 | 40 | 2021 | 4042 | 0,080 | 1592 | 3183 | 0,100 | 1273 | 2546 | 0,100 |
For dia. 6.3–10.0 | ||||||||||||
Material designation | Tensile strength | from dia. 6.3 | from dia. 8.0 | from dia. 10.0 | ||||||||
vc | n | f | n | f | n | f | ||||||
From | To | From | To | From | To | From | To | |||||
Steels | ||||||||||||
General structural steels | ≤ 850 N/mm² | 36 | 48 | 1819 | 2425 | 0,160 | 1432 | 1910 | 0,200 | 1146 | 1528 | 0,250 |
Unalloyed heat-treated steels | ≤ 850 N/mm² | 36 | 48 | 1819 | 2425 | 0,160 | 1432 | 1910 | 0,200 | 1146 | 1528 | 0,250 |
Low-alloy heat-treated steels | ≤ 850 N/mm² | 36 | 48 | 1819 | 2425 | 0,160 | 1432 | 1910 | 0,200 | 1146 | 1528 | 0,250 |
Unalloyed heat-treated steels | ≤ 1000 N/mm² | 34 | 42 | 1718 | 2122 | 0,125 | 1353 | 1671 | 0,160 | 1082 | 1337 | 0,200 |
Low-alloy heat-treated steels | ≤ 1000 N/mm² | 34 | 42 | 1718 | 2122 | 0,125 | 1353 | 1671 | 0,160 | 1082 | 1337 | 0,200 |
Alloyed heat-treated steels | ≤ 1200 N/mm² | 16 | 28 | 808 | 1415 | 0,080 | 637 | 1114 | 0,100 | 509 | 891 | 0,125 |
Nitriding steels | ≤ 1200 N/mm² | 16 | 28 | 808 | 1415 | 0,080 | 637 | 1114 | 0,100 | 509 | 891 | 0,125 |
Tool steels | ≤ 1200 N/mm² | 16 | 28 | 808 | 1415 | 0,080 | 637 | 1114 | 0,100 | 509 | 891 | 0,125 |
High-speed steels | ≤ 1200 N/mm² | 16 | 28 | 808 | 1415 | 0,080 | 637 | 1114 | 0,100 | 509 | 891 | 0,125 |
Stainless steels | ||||||||||||
Stainless steels | ≤ 1,200 | 12 | 18 | 606 | 909 | 0,100 | 477 | 716 | 0,125 | 382 | 573 | 0,160 |
Titanium and titanium alloys | ≤ 850 N/mm² | 8 | 12 | 404 | 606 | 0,063 | 318 | 477 | 0,080 | 255 | 382 | 0,100 |
Special alloys | ≤ 1,200 | 5 | 7 | 253 | 354 | 0,050 | 199 | 279 | 0,063 | 159 | 223 | 0,080 |
Hard materials | ||||||||||||
Spring steels | ≤ 330 HB | 16 | 28 | 808 | 1415 | 0,080 | 637 | 1114 | 0,100 | 509 | 891 | 0,125 |
Cast metals | ||||||||||||
Cast iron | ≤ 350 HB | 40 | 45 | 2021 | 2274 | 0,160 | 1592 | 1790 | 0,200 | 1273 | 1432 | 0,250 |
Spheroidal graphite and malleable iron | ≤ 350 HB | 27 | 34 | 1364 | 1718 | 0,160 | 1074 | 1353 | 0,200 | 859 | 1082 | 0,250 |
Plastics | ||||||||||||
Plastics | ≤ 200 N/mm² | 20 | 40 | 1011 | 2021 | 0,125 | 796 | 1592 | 0,160 | 637 | 1273 | 0,200 |
For dia. 12.5–20.0 | ||||||||||||
Material designation | Tensile strength | from dia. 12.5 | from dia. 16.0 | from dia. 20.0 | ||||||||
vc | n | f | n | f | n | f | ||||||
From | To | From | To | From | To | From | To | |||||
Steels | ||||||||||||
General structural steels | ≤ 850 N/mm² | 36 | 48 | 917 | 1222 | 0,250 | 716 | 955 | 0,315 | 573 | 764 | 0,400 |
Unalloyed heat-treated steels | ≤ 850 N/mm² | 36 | 48 | 917 | 1222 | 0,250 | 716 | 955 | 0,315 | 573 | 764 | 0,400 |
Low-alloy heat-treated steels | ≤ 850 N/mm² | 36 | 48 | 917 | 1222 | 0,250 | 716 | 955 | 0,315 | 573 | 764 | 0,400 |
Unalloyed heat-treated steels | ≤ 1000 N/mm² | 34 | 42 | 866 | 1070 | 0,200 | 676 | 836 | 0,250 | 541 | 668 | 0,315 |
Low-alloy heat-treated steels | ≤ 1000 N/mm² | 34 | 42 | 866 | 1070 | 0,200 | 676 | 836 | 0,250 | 541 | 668 | 0,315 |
Alloyed heat-treated steels | ≤ 1200 N/mm² | 16 | 28 | 407 | 713 | 0,125 | 318 | 557 | 0,160 | 255 | 446 | 0,200 |
Nitriding steels | ≤ 1200 N/mm² | 16 | 28 | 407 | 713 | 0,125 | 318 | 557 | 0,160 | 255 | 446 | 0,200 |
Tool steels | ≤ 1200 N/mm² | 16 | 28 | 407 | 713 | 0,125 | 318 | 557 | 0,160 | 255 | 446 | 0,200 |
High-speed steels | ≤ 1200 N/mm² | 16 | 28 | 407 | 713 | 0,125 | 318 | 557 | 0,160 | 255 | 446 | 0,200 |
Stainless steels | ||||||||||||
Stainless steels | ≤ 1,200 | 12 | 18 | 306 | 458 | 0,160 | 239 | 358 | 0,200 | 191 | 286 | 0,250 |
Titanium and titanium alloys | ≤ 850 N/mm² | 8 | 12 | 204 | 306 | 0,100 | 159 | 239 | 0,125 | 127 | 191 | 0,160 |
Special alloys | ≤ 1,200 | 5 | 7 | 127 | 178 | 0,080 | 99 | 139 | 0,100 | 80 | 111 | 0,125 |
Hard materials | ||||||||||||
Spring steels | ≤ 330 HB | 16 | 28 | 407 | 713 | 0,125 | 318 | 557 | 0,160 | 255 | 446 | 0,200 |
Cast metals | ||||||||||||
Cast iron | ≤ 350 HB | 40 | 45 | 1019 | 1146 | 0,250 | 796 | 895 | 0,315 | 637 | 716 | 0,400 |
Spheroidal graphite and malleable iron | ≤ 350 HB | 27 | 34 | 688 | 866 | 0,250 | 537 | 676 | 0,315 | 430 | 541 | 0,400 |
Plastics | ||||||||||||
Plastics | ≤ 200 N/mm² | 20 | 40 | 509 | 1019 | 0,200 | 398 | 796 | 0,250 | 318 | 637 | 0,315 |
Legend |
vc = cutting speed [m/min] |
f = feed (mm/r) |
n = speed [rpm] |
The suggested cutting values are reference values and must be adapted to the respective conditions. |
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